2026-08-22 18:46:27 (M4.6) Antofagasta, Chile -22.2 -68.8 (90be5)

M4.6 Earthquake - Antofagasta, Chile

Preliminary Report

Magnitude	4.6
Date-Time	Universal Time (UTC): 22 Aug 2026 18:46:28 Time near the Epicenter (1): 22 Aug 2026 14:46:28 Time in your area (1): 22 Aug 2026 10:46:28
Location	22.193S 68.793W
Depth	105 km
Distances	32.2 km (20.0 mi) NNE of Calama, Chile 145.4 km (90.1 mi) E of Tocopilla, Chile 197.5 km (122.4 mi) ENE of Mejillones, Chile 230.5 km (142.9 mi) NE of Antofagasta, Chile 252.7 km (156.6 mi) SSE of La Tirana, Chile
Location Uncertainty	Horizontal: 5.0 km; Vertical 5.1 km
Parameters	Nph = 59; Dmin = 100.3 km; Rmss = 0.87 seconds; Gp = 48° Version =
Event ID	us 6000tmtm

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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